现代食品科技2013,Vol.29Issue(8):1989-1993,1988,6.
碳-4植物糖超标蜂蜜样品的多维分析
Multidimensional Analysis of Honey Samples with Excessive Amounts of C-4 Plant Sugar
摘要
Abstract
In this paper,21 honey samples with excessive amounts of C-4 plant sugar were chosen from 120 specimens obtained from food market.Element analyzer-isotope ratio mass spectrometry (EA-IRMS),liquid chromatography-isotope ratio mass spectrometry (LC-IRMS)and liquid chromatography (LC) were adopted to detect the δ13C values and the amount of C-4 plant sugar.The results indicated that the honey samples with excessive amounts of C-4 plant sugar still occupy a certain proportion in food market and the over-standard rate of this batch was 16.94%.Several samples were detected with serious excessive C-4 plant sugar,one of which haDs the highest amount of 82.35%.The honey samples with excessive C-4 plant sugar can be summarized as the following three categories.(1) Samples with slightly excessive C-4 plant sugar:the standard-exceeding rate of those samples was 7~10%,and their △δ13CF-G and △δ13Cmax values were not far from the requirements of the real honey.(2) Samples adulterated with starch products of C-4 plant source:these samples had a high amount of oligosaccharide and larger △δ13Cmmax (3) Samples adulterated with high fructose com syrup; no oligosaccharide was found in these samples and their δ13CF and δ13CG completely lost the characteristics of C-3 plant.关键词
蜂蜜/碳-4植物糖/掺假/同位素比值质谱Key words
honey/ C-4 plant sugar/ adulteration/ isotope ratio mass spectrometry (IRMS)引用本文复制引用
罗海英,罗东辉,冼燕萍,侯向昶,郭新东,吴玉銮,董浩..碳-4植物糖超标蜂蜜样品的多维分析[J].现代食品科技,2013,29(8):1989-1993,1988,6.基金项目
广州市科技计划项目(2011J2200016 ()
[2011]233-34) ()
广东省质量技术监督局科技项目(2011ZS01) (2011ZS01)